.header{
    height: 60px;
    background: rgb(82, 78, 78);
    line-height: 60px;
}
.header ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.header li{
    color: white;
    font-size: 25px;
    width: 20%;
    text-align: center;
}

.header li:hover{
    background:rgb(78, 71, 71) ;
    cursor: pointer;
}

.header .bg{
    background: black;
}